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A223621 Number of nX3 0..1 arrays with row sums nondecreasing and column sums unimodal 1

%I

%S 7,35,147,574,2114,7504,26050,88627,296989,985303,3236269,10543598,

%T 34156986,109995484,352428398,1125103059,3577593997,11336743971,

%U 35833521825,112944171696,355097604934,1114357838268,3489662154182

%N Number of nX3 0..1 arrays with row sums nondecreasing and column sums unimodal

%C Column 3 of A223625

%H R. H. Hardin, <a href="/A223621/b223621.txt">Table of n, a(n) for n = 1..84</a>

%e Some solutions for n=3

%e ..0..1..0....0..0..0....0..0..1....1..0..0....0..0..0....1..0..0....0..0..0

%e ..0..0..1....0..0..0....0..1..0....0..1..1....0..0..0....1..0..0....0..1..0

%e ..1..1..1....0..0..0....0..1..0....1..1..1....1..1..0....1..1..1....1..0..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 24 2013

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Last modified July 2 10:07 EDT 2022. Contains 355004 sequences. (Running on oeis4.)